Call Transfer Gateway

[mightyking]

Hello Experts,

A caller calls into our organization. A menu offers 2 options:

1) When the caller choose option 1, the call is sent to a number outside of our organization

2) Talk to an agent

The incoming call takes a DS0 of our PRI and reaches the menu where we provide option 1 and option 2 as mentioned above.

When option 1 is selected, a second DS0 is taken to send the call to the number outside of our organization.  The call stays in our gateway and consumes 2 DS0s for the entire duration of the call. Is this the normal behavior? I always was under impression that after the call is transferred, the RTP traffic goes between the endpoints but in our case the gateway shows 2 call legs until the conversation ends.

Is there a way that we can free our DS0s after the call is transferred?

We are using MGCP with CUMC 11.5.

Thanks,

MK 

[Jaime Valencia · Accepted solution]

Yes, that has always been the way this works, some telcos have TBCT and only in that scenario, your DS0s would free from that call flow.

[mightyking]

Thanks Jaime,

If the telco supports this technolgy, do we need to do anything in our gateway? Any configurations?

Thanks,

MK

[Nithin Eluvathingal]

As JAVA mentioned, its the way it works. 

[Roger Kallberg]

As it is TDM calls there are no RTP stream as such as that is a VoIP thing.